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  <div class="headertitle"><div class="title">memo.cpp</div></div>
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<a href="../../de/d06/memo_8cpp.html">浏览该文件的文档.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="preprocessor">#include &lt;iostream&gt;</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span> </div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="preprocessor">#include &quot;<a class="code" href="../../d7/df2/memo_8hpp.html">designM/memo.hpp</a>&quot;</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span> </div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="keyword">using namespace </span><a class="code hl_namespace" href="../../df/d8d/namespacewheels.html">wheels</a>;</div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="keyword">using namespace </span>dm;</div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span> </div>
<div class="foldopen" id="foldopen00008" data-start="{" data-end="}">
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"><a class="line" href="../../de/d06/memo_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">    8</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="../../de/d06/memo_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a>() {</div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span>    <span class="keyword">using </span>crtk = <a class="code hl_class" href="../../d8/dae/classwheels_1_1dm_1_1caretaker.html">caretaker&lt;int&gt;</a>;</div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span>    crtk <a class="code hl_class" href="../../d8/dae/classwheels_1_1dm_1_1caretaker.html">caretaker</a>;</div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span>    crtk::orgnt_t <a class="code hl_class" href="../../db/d07/classwheels_1_1dm_1_1originator.html">originator</a>;</div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span> </div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span>    <span class="comment">// 设置初始状态</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span>    <span class="keywordtype">int</span> <a class="code hl_class" href="../../d2/d44/classwheels_1_1dm_1_1state.html">state</a> = 5;</div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span>    <a class="code hl_class" href="../../db/d07/classwheels_1_1dm_1_1originator.html">originator</a>.<a class="code hl_function" href="../../db/d07/classwheels_1_1dm_1_1originator.html#a7dcb5c58fa19b60f0b6b2869cf470f1b">setState</a>(<a class="code hl_class" href="../../d2/d44/classwheels_1_1dm_1_1state.html">state</a>);</div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span> </div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span>    std::cout &lt;&lt; <span class="stringliteral">&quot;init state: &quot;</span> &lt;&lt; <a class="code hl_class" href="../../db/d07/classwheels_1_1dm_1_1originator.html">originator</a>.<a class="code hl_function" href="../../db/d07/classwheels_1_1dm_1_1originator.html#a36ae6c635396c6862e21018ab33cc33d">getState</a>() &lt;&lt; std::endl;</div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span> </div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span>    <span class="comment">// 创建备忘录并保存到caretaker中</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span>    <a class="code hl_class" href="../../d8/dae/classwheels_1_1dm_1_1caretaker.html">caretaker</a>.<a class="code hl_function" href="../../d8/dae/classwheels_1_1dm_1_1caretaker.html#a7e824728a7b61fdff10c295b410225dd">add</a>(<a class="code hl_class" href="../../db/d07/classwheels_1_1dm_1_1originator.html">originator</a>.<a class="code hl_function" href="../../db/d07/classwheels_1_1dm_1_1originator.html#a73f527af0ab6def7993f36c7fd80f918">createMemento</a>());</div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span> </div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span>    <span class="comment">// 修改状态</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span>    <a class="code hl_class" href="../../db/d07/classwheels_1_1dm_1_1originator.html">originator</a>.<a class="code hl_function" href="../../db/d07/classwheels_1_1dm_1_1originator.html#a36ae6c635396c6862e21018ab33cc33d">getState</a>() = 10;</div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span>    std::cout &lt;&lt; <span class="stringliteral">&quot;updated state: &quot;</span> &lt;&lt; <a class="code hl_class" href="../../db/d07/classwheels_1_1dm_1_1originator.html">originator</a>.<a class="code hl_function" href="../../db/d07/classwheels_1_1dm_1_1originator.html#a36ae6c635396c6862e21018ab33cc33d">getState</a>() &lt;&lt; std::endl;</div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span> </div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span>    <span class="comment">// 使用备忘录恢复原始状态</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span>    <a class="code hl_class" href="../../db/d07/classwheels_1_1dm_1_1originator.html">originator</a>.<a class="code hl_function" href="../../db/d07/classwheels_1_1dm_1_1originator.html#a9e67f2aa272a2c125a1f12baad451791">restoreMemento</a>(<a class="code hl_class" href="../../d8/dae/classwheels_1_1dm_1_1caretaker.html">caretaker</a>.<a class="code hl_function" href="../../d8/dae/classwheels_1_1dm_1_1caretaker.html#a50a449ef4f18f1fe673dbe17662e6f40">get</a>(0));</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span>    std::cout &lt;&lt; <span class="stringliteral">&quot;restored: &quot;</span> &lt;&lt; <a class="code hl_class" href="../../db/d07/classwheels_1_1dm_1_1originator.html">originator</a>.<a class="code hl_function" href="../../db/d07/classwheels_1_1dm_1_1originator.html#a36ae6c635396c6862e21018ab33cc33d">getState</a>() &lt;&lt; std::endl;</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span> </div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span>    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span>}</div>
</div>
<div class="ttc" id="aclasswheels_1_1dm_1_1caretaker_html"><div class="ttname"><a href="../../d8/dae/classwheels_1_1dm_1_1caretaker.html">wheels::dm::caretaker</a></div><div class="ttdef"><b>定义</b> <a href="../../d7/df2/memo_8hpp_source.html#l00060">memo.hpp:60</a></div></div>
<div class="ttc" id="aclasswheels_1_1dm_1_1caretaker_html_a50a449ef4f18f1fe673dbe17662e6f40"><div class="ttname"><a href="../../d8/dae/classwheels_1_1dm_1_1caretaker.html#a50a449ef4f18f1fe673dbe17662e6f40">wheels::dm::caretaker::get</a></div><div class="ttdeci">memo_t get(int index) const</div><div class="ttdoc">获取记录</div><div class="ttdef"><b>定义</b> <a href="../../d7/df2/memo_8hpp_source.html#l00076">memo.hpp:76</a></div></div>
<div class="ttc" id="aclasswheels_1_1dm_1_1caretaker_html_a7e824728a7b61fdff10c295b410225dd"><div class="ttname"><a href="../../d8/dae/classwheels_1_1dm_1_1caretaker.html#a7e824728a7b61fdff10c295b410225dd">wheels::dm::caretaker::add</a></div><div class="ttdeci">void add(const memo_t &amp;memento)</div><div class="ttdoc">添加记录</div><div class="ttdef"><b>定义</b> <a href="../../d7/df2/memo_8hpp_source.html#l00070">memo.hpp:70</a></div></div>
<div class="ttc" id="aclasswheels_1_1dm_1_1originator_html"><div class="ttname"><a href="../../db/d07/classwheels_1_1dm_1_1originator.html">wheels::dm::originator</a></div><div class="ttdef"><b>定义</b> <a href="../../d7/df2/memo_8hpp_source.html#l00033">memo.hpp:33</a></div></div>
<div class="ttc" id="aclasswheels_1_1dm_1_1originator_html_a36ae6c635396c6862e21018ab33cc33d"><div class="ttname"><a href="../../db/d07/classwheels_1_1dm_1_1originator.html#a36ae6c635396c6862e21018ab33cc33d">wheels::dm::originator::getState</a></div><div class="ttdeci">T &amp; getState()</div><div class="ttdef"><b>定义</b> <a href="../../d7/df2/memo_8hpp_source.html#l00039">memo.hpp:39</a></div></div>
<div class="ttc" id="aclasswheels_1_1dm_1_1originator_html_a73f527af0ab6def7993f36c7fd80f918"><div class="ttname"><a href="../../db/d07/classwheels_1_1dm_1_1originator.html#a73f527af0ab6def7993f36c7fd80f918">wheels::dm::originator::createMemento</a></div><div class="ttdeci">memento&lt; T &gt; createMemento() const</div><div class="ttdef"><b>定义</b> <a href="../../d7/df2/memo_8hpp_source.html#l00043">memo.hpp:43</a></div></div>
<div class="ttc" id="aclasswheels_1_1dm_1_1originator_html_a7dcb5c58fa19b60f0b6b2869cf470f1b"><div class="ttname"><a href="../../db/d07/classwheels_1_1dm_1_1originator.html#a7dcb5c58fa19b60f0b6b2869cf470f1b">wheels::dm::originator::setState</a></div><div class="ttdeci">void setState(const T &amp;state)</div><div class="ttdef"><b>定义</b> <a href="../../d7/df2/memo_8hpp_source.html#l00035">memo.hpp:35</a></div></div>
<div class="ttc" id="aclasswheels_1_1dm_1_1originator_html_a9e67f2aa272a2c125a1f12baad451791"><div class="ttname"><a href="../../db/d07/classwheels_1_1dm_1_1originator.html#a9e67f2aa272a2c125a1f12baad451791">wheels::dm::originator::restoreMemento</a></div><div class="ttdeci">void restoreMemento(const memento&lt; T &gt; &amp;memento)</div><div class="ttdef"><b>定义</b> <a href="../../d7/df2/memo_8hpp_source.html#l00047">memo.hpp:47</a></div></div>
<div class="ttc" id="aclasswheels_1_1dm_1_1state_html"><div class="ttname"><a href="../../d2/d44/classwheels_1_1dm_1_1state.html">wheels::dm::state</a></div><div class="ttdef"><b>定义</b> <a href="../../da/d3b/state_8hpp_source.html#l00054">state.hpp:55</a></div></div>
<div class="ttc" id="amemo_8cpp_html_ae66f6b31b5ad750f1fe042a706a4e3d4"><div class="ttname"><a href="../../de/d06/memo_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a></div><div class="ttdeci">int main()</div><div class="ttdef"><b>定义</b> <a href="#l00008">memo.cpp:8</a></div></div>
<div class="ttc" id="amemo_8hpp_html"><div class="ttname"><a href="../../d7/df2/memo_8hpp.html">memo.hpp</a></div></div>
<div class="ttc" id="anamespacewheels_html"><div class="ttname"><a href="../../df/d8d/namespacewheels.html">wheels</a></div><div class="ttdoc">堆栈信息读取和保存记录</div><div class="ttdef"><b>定义</b> <a href="../../d3/df7/ary__str_8hpp_source.html#l00006">ary_str.hpp:7</a></div></div>
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